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What a drug is used for (e.g., "Antihistamine").

The Merck Index began in 1889. It was originally a small catalog for the Merck pharmacy in Germany. Over 120 years, it evolved into the world's most trusted chemical reference. By the time the 14th Edition arrived, it had become an essential tool for: identifying unknown substances. Pharmacists checking drug interactions. Environmentalists researching toxins. Students learning molecular structures. 🧪 What’s Inside the 14th Edition?

A famous appendix used by organic chemistry students to memorize complex chemical reactions. 🌐 The Shift in Publishing

In 2013, Merck & Co. transferred the rights to the Royal Society of Chemistry (RSC) .

Boiling points, melting points, and solubility.

Even though we are now on the 15th and 16th (online) versions, the 14th Edition remains a reliable snapshot of chemical knowledge from the mid-2000s. It stands as a testament to human curiosity and the need to categorize every known substance on Earth.

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